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Hersteller: York
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Dateiname: d95b3267-dac0-44c9-b3fb-7091af29f379.pdf
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Anleitung Zusammenfassung
ISO 9001 Certified Quality LISTED Management System Due to continuous product improvement, specific tions are subject to change without notice. Visit us on the web at for the most up-to-date technical information. Additional rating information can be found at DESCRIPTION The ETS Stealth series heat pump units use Twin Single™ compressor technology to provide cooling efficiencies up to 15.7 SEER and heating efficiencies up to 9.3 HSPF. They are to be installed with the matching variable speed Enhancer air handler or Diamond furnace, a corresponding coil and sweat connect lines. A factory specified balanced port hard shut-off TXV kit must be used for proper installation and optimum performance. WARRANTY 5-year limited parts warranty. 10-year limited compressor warranty. FEATURES QUALITY CONDENSER COILS -The coil is constructed of copper tube and hardened aluminum fins for durability and long lasting efficient operation. The fins on the unit are protected with a decorative grille. DURABLE FINISH - Cabinet is made of powder painted steel over pre-painted primer. The pre-treated flat galvanized steel provides a better paint to steel bond, which resists corrosion and rust creep. Special primer formulas and glossy earth tone finish insure less fading when exposed to sunlight. This finish has been tested to provide 1/3 greater protection than conventional units. PROTECTED COMPRESSORS - The Twin Single™ compressor is protected against high pressure. Hard start components are included to ensure start-up under adverse conditions. All models have standard crankcase heat for added protection. OPTIMUM PERFORMANCE - The solid-state electronic controlboard optimizes the compressor staging based on load requirements, provides a 5-minute anti-short cycle timer, and simplifies troubleshooting with built in self diagnostics. LOWER INSTALLED COST -Installation time and costs are reduced by easy power and control wiring connections. All units contain enough refrigerant for the smallest matching indoor coil and 15 feet of interconnecting piping. The small base dimension means less space is required on the ground or roof. EFFECTIVE HUMIDITY CONTROL -The inherent design of the Stealth system and the staging operation of the Twin Single ™ compressor provide effective humidity control at the lowest possible operating cost. An optional dehumidification control accessory is available to maintain the humidity at a set desired level. TOP DISCHARGE - The warm air from the top mounted fan is blown up away from the structure and any landscaping. This allows compact location on multi-unit applications. LOW OPERATING SOUND LEVEL - The upward air flow carries the normal operating noise up away from the living area. The rigid top panel effectively isolates any motor sound. Isolator mounted compressor and the rippled fins of the condenser coil muffle the normal fan motor and compressor operating sounds. LOW MAINTENANCE - Long life permanently lubricated motor- bearings need no annual servicing. EASY SERVICE ACCESS -Fully exposed refrigerant connections and a single panel covering the electrical controls make servicing easy. Easy access for coil clearing is also provided. RE-USABLE SERVICE VALVES - Provided on both the liquid and vapor sweat connections for ease of evacuating and charging. FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE 036-21342-002 Rev. E (0505) SYSTEM OPERATION This heat pump model is equipped with both YorkGuard V heat pump control and TS compressor control. The interface control 6CF board is used to bypass the first stage of heat when the outdoor temperature falls below certain temperatures. The TS control board is used only to switch between 1 and 2 cylinder operation. The fault codes and pressure switch on the TS control board are bypassed using the jumpers between the test and "PS" pins. 1. Anti-short Cycle Timer The five-minute time delay on YorkGuard V will be used to prevent the system from short cycling after the thermostat off or power interrupt. This time delay can be bypassed by temporarily shorting the test terminals on YorkGuard V for 3 seconds. Since a jumper was factory installed across the test pins on the TS control board, the anti-short cycle timer on the TS control board is bypassed. 2. First Stage Cooling This heat pump model is equipped with a Twin-Single compressor. With a call for first stage cooling, the compressor operates one cylinder. The run winding (R) is connected through the upper left contactor (A) and to the capacitor and the start winding (S) is connected to line voltage. The system operates at low discharge pressure and high suction pressure. 3. Second Stage of Cooling With a call for second stage cooling, the TS control will shut the compressor off for two seconds then energize relays R1 and R2 on the TS control board. This will de- energize (open) the upper left contactor (A) and energize (close) the lower right contactor (B), connecting...